71733560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29399}}^1$

素因数の和:29471

約数の個数: 32

約数和(自身を含む): 164052000

約数和(自身を除く): 92318440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29399, 58798, 117596, 146995, 235192, 293990, 587980, 1175960, 1793339, 3586678, 7173356, 8966695, 14346712, 17933390, 35866780, 71733560]

約数ペア:

[(1, 71733560), (2, 35866780), (4, 17933390), (5, 14346712), (8, 8966695), (10, 7173356), (20, 3586678), (40, 1793339), (61, 1175960), (122, 587980), (244, 293990), (305, 235192), (488, 146995), (610, 117596), (1220, 58798), (2440, 29399)]